20004352515332 has 24 divisors (see below), whose sum is σ = 35097571702200. Its totient is φ = 9976480966656.

The previous prime is 20004352515311. The next prime is 20004352515337. The reversal of 20004352515332 is 23351525340002.

It can be written as a sum of positive squares in 4 ways, for example, as 479672597056 + 19524679918276 = 692584^2 + 4418674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20004352515292 and 20004352515301.

It is not an unprimeable number, because it can be changed into a prime (20004352515337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12477788 + ... + 13989420.

It is an arithmetic number, because the mean of its divisors is an integer number (1462398820925).

Almost surely, 2^{20004352515332} is an apocalyptic number.

It is an amenable number.

20004352515332 is a deficient number, since it is larger than the sum of its proper divisors (15093219186868).

20004352515332 is a wasteful number, since it uses less digits than its factorization.

20004352515332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520135 (or 1520133 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 20004352515332 its reverse (23351525340002), we get a palindrome (43355877855334).

The spelling of 20004352515332 in words is "twenty trillion, four billion, three hundred fifty-two million, five hundred fifteen thousand, three hundred thirty-two".